Pith Number

pith:PC44JPLN

pith:2004:PC44JPLNN3GUZU5OBPTCCLF2OO

not attested not anchored not stored refs pending

Air-core photonic band-gap fibers: the impact of surface modes

K. Saitoh, M. Koshiba, N.A. Mortensen

arxiv:physics/0401076 v1 · 2004-01-16 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PC44JPLNN3GUZU5OBPTCCLF2OO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T14:44:07.610123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78b9c4bd6d6ecd4cd3ae0be6212cba738e77dd879ba36f70a553fae16641c5d0

Aliases

arxiv: physics/0401076 · arxiv_version: physics/0401076v1 · doi: 10.48550/arxiv.physics/0401076 · pith_short_12: PC44JPLNN3GU · pith_short_16: PC44JPLNN3GUZU5O · pith_short_8: PC44JPLN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PC44JPLNN3GUZU5OBPTCCLF2OO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 78b9c4bd6d6ecd4cd3ae0be6212cba738e77dd879ba36f70a553fae16641c5d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cb540d3917bb593ddf49a12b4502ac5e5241062512fb17d169f3417c12dc3b4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2004-01-16T08:31:07Z",
    "title_canon_sha256": "63204e3a1e7436020cba260f023f63ea9ff6f40a4757a65846fb3ceeb60aa8d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0401076",
    "kind": "arxiv",
    "version": 1
  }
}